874.51% is the change from 51 to 497
Calculation steps:
[( 497 - 51 ) ÷ 51] x 100 = 874.51%
Formula
Percentage change = [(497 - 51) / 51] x 100
Subtract the new number by the original number
497 - 51 = 446
446 ÷ 51 = 8.745098039215685
8.745098039215685 x 100 = 874.51%